Question about Denon AVR-900 Receiver
This indicates the output circuit of the amplifier is shorted out, this can be a defective power transistor or a shorted speaker wire or speaker, disconnect the speakers and try the amp, if the light doesn't flash u have your answer,if it still does the same thing u have a defective amplifier and need to have a shop repair it.
Posted on Aug 25, 2010
• If you feel you can DIY, you may have to check for
Power Transistors , on the Main Amplifiers and have it
• If the Unit turns ON, then have the pair of Power Transistors
If the Unit still wont turn ON, you may have to check for
low voltage regulators.
• If you can try to monitor ( hooking up to other amplifier
or Signal Tracer ) the Line " Out " at the back of the unit
and hear sound , you just eliminated a large percentage
on electronic troubleshooting. ( you may not need to check
for more regulators on the preamp circuits. )
• But have a check on 12V supply/circuit also.
• More thorough troubleshooting details can be done with a
help of a
( only with a fee ) Click on the link above
Should you need more details , post so I can help you
Regards, and Good luck!
Posted on Aug 24, 2010
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Posted on Jan 02, 2017
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